<a href="http://localhost:4222/login?username=Summer&email=Summer@qq.cn&Group=P2021-HLS-PT-002433">Summer Login</a>
<br>
<a href="http://localhost:4222/login?username=Summer&email=Summer@qq.cn&Group=All">Summer Login(without group)</a>
<br>
<a href="http://localhost:4222/login?username=Rick&email=Rick@qq.cn&Group=P2021-HLS-PT-002434">Rick Login</a>
<br>
<a href="http://localhost:4222/login?username=Jessica">Jessica Login</a>
